Sync with KAME. Format string auditing, and add -a flag to autoprobe
interfaces. Obtained from: KAME
This commit is contained in:
kris
parent
a5984fa40e
commit
44c3d480b4
@ -1,3 +1,5 @@
|
||||
/* $KAME: dump.c,v 1.7 2000/08/13 06:14:59 itojun Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (C) 1999 WIDE Project.
|
||||
* All rights reserved.
|
||||
@ -98,7 +100,7 @@ rtsold_dump_file(dumpfile)
|
||||
char *dumpfile;
|
||||
{
|
||||
if ((fp = fopen(dumpfile, "w")) == NULL) {
|
||||
warnmsg(LOG_WARNING, __FUNCTION__, "open a dump file(%s)",
|
||||
warnmsg(LOG_WARNING, __FUNCTION__, "open a dump file(%s): %s",
|
||||
dumpfile, strerror(errno));
|
||||
return;
|
||||
}
|
||||
|
||||
@ -1,3 +1,5 @@
|
||||
/* $KAME$ */
|
||||
|
||||
/*
|
||||
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
|
||||
* All rights reserved.
|
||||
@ -33,6 +35,7 @@
|
||||
#include <sys/socket.h>
|
||||
#include <sys/sysctl.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <sys/queue.h>
|
||||
|
||||
#include <net/if.h>
|
||||
#if defined(__FreeBSD__) && __FreeBSD__ >= 3
|
||||
|
||||
@ -1,3 +1,5 @@
|
||||
/* $KAME$ */
|
||||
|
||||
/*
|
||||
* Copyright (C) 1998 WIDE Project.
|
||||
* All rights reserved.
|
||||
@ -34,6 +36,7 @@
|
||||
#include <sys/ioctl.h>
|
||||
#include <sys/socket.h>
|
||||
#include <sys/uio.h>
|
||||
#include <sys/queue.h>
|
||||
|
||||
#include <net/if.h>
|
||||
#if defined(__FreeBSD__) && __FreeBSD__ >= 3
|
||||
|
||||
@ -1,3 +1,5 @@
|
||||
/* $KAME$ */
|
||||
|
||||
/*
|
||||
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
|
||||
* All rights reserved.
|
||||
@ -33,6 +35,7 @@
|
||||
#include <sys/socket.h>
|
||||
#include <sys/uio.h>
|
||||
#include <sys/time.h>
|
||||
#include <sys/queue.h>
|
||||
|
||||
#include <net/if.h>
|
||||
#include <net/route.h>
|
||||
|
||||
@ -1,6 +1,8 @@
|
||||
.\" $KAME: rtsold.8,v 1.14 2000/08/13 18:06:39 itojun Exp $
|
||||
.\"
|
||||
.\" Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
|
||||
.\" All rights reserved.
|
||||
.\"
|
||||
.\"
|
||||
.\" Redistribution and use in source and binary forms, with or without
|
||||
.\" modification, are permitted provided that the following conditions
|
||||
.\" are met:
|
||||
@ -12,7 +14,7 @@
|
||||
.\" 3. Neither the name of the project nor the names of its contributors
|
||||
.\" may be used to endorse or promote products derived from this software
|
||||
.\" without specific prior written permission.
|
||||
.\"
|
||||
.\"
|
||||
.\" THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
|
||||
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
@ -25,7 +27,6 @@
|
||||
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
.\" SUCH DAMAGE.
|
||||
.\"
|
||||
.\" $Id: rtsold.8,v 1.9 2000/07/04 14:44:38 jinmei Exp $
|
||||
.\" $FreeBSD$
|
||||
.\"
|
||||
.Dd May 17, 1998
|
||||
@ -37,15 +38,21 @@
|
||||
.Nd router solicitation daemon
|
||||
.\"
|
||||
.Sh SYNOPSIS
|
||||
.Nm
|
||||
.Nm rtsold
|
||||
.Op Fl dDfm1
|
||||
.Ar interface ...
|
||||
.Nm rtsold
|
||||
.Op Fl dDfm1
|
||||
.Fl a
|
||||
.Nm rtsol
|
||||
.Op Fl dD
|
||||
.Ar interface ...
|
||||
.Nm rtsol
|
||||
.Op Fl dD
|
||||
.Fl a
|
||||
.\"
|
||||
.Sh DESCRIPTION
|
||||
.Nm Rtsold
|
||||
.Nm
|
||||
is the daemon program to send ICMPv6 Router Solicitation messages
|
||||
on the specified interfaces.
|
||||
If a node (re)attaches to a link,
|
||||
@ -54,6 +61,11 @@ sends some Router Solicitations on the link destined to the link-local scope
|
||||
all-routers multicast address to discover new routers
|
||||
and to get non link-local addresses.
|
||||
.Pp
|
||||
.Nm
|
||||
should be used on IPv6 host
|
||||
.Pq non-router node
|
||||
only.
|
||||
.Pp
|
||||
If you invoke the program as
|
||||
.Nm rtsol ,
|
||||
it will transmit probes from the specified
|
||||
@ -80,7 +92,7 @@ Just after invocation of
|
||||
daemon.
|
||||
.It
|
||||
The interface is up after a temporary interface failure.
|
||||
.Nm Rtsold
|
||||
.Nm
|
||||
detects such failures by periodically probing to see if the status
|
||||
of the interface is active or not.
|
||||
Note that some network cards and drivers do not allow the extraction
|
||||
@ -118,10 +130,19 @@ Upon receipt of signal
|
||||
.Dv SIGUSR1 ,
|
||||
.Nm
|
||||
will dump the current internal state into
|
||||
.Pa /var/run/rtsold.dump.
|
||||
.Pa /var/run/rtsold.dump .
|
||||
.\"
|
||||
.Sh OPTIONS
|
||||
.Bl -tag -width indent
|
||||
.It Fl a
|
||||
Autoprobe outgoing interface.
|
||||
.Nm
|
||||
will try to find a non-loopback, non-p2p and IPv6-capable, interface.
|
||||
If
|
||||
.Nm
|
||||
finds multiple interfaces,
|
||||
.Nm
|
||||
will exit with error.
|
||||
.\"
|
||||
.It Fl d
|
||||
Enable debugging.
|
||||
@ -190,3 +211,12 @@ may not work if you reinsert a network card.
|
||||
In such a case,
|
||||
.Nm
|
||||
should be killed and restarted.
|
||||
.Pp
|
||||
IPv6 autoconfiguration specification assumes single interface host.
|
||||
You may see kernel error message if you try to autoconfigure a host with
|
||||
multiple interfaces.
|
||||
Also, it seems contradictory for
|
||||
.Nm
|
||||
to accept multiple
|
||||
.Ar interfaces
|
||||
in argument.
|
||||
|
||||
@ -1,3 +1,5 @@
|
||||
/* $KAME: rtsold.c,v 1.26 2000/08/13 18:17:15 itojun Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
|
||||
* All rights reserved.
|
||||
@ -48,11 +50,13 @@
|
||||
#include <errno.h>
|
||||
#include <err.h>
|
||||
#include <stdarg.h>
|
||||
#include <ifaddrs.h>
|
||||
#include "rtsold.h"
|
||||
|
||||
struct ifinfo *iflist;
|
||||
struct timeval tm_max = {0x7fffffff, 0x7fffffff};
|
||||
int dflag;
|
||||
int aflag = 0;
|
||||
int dflag = 0;
|
||||
static int log_upto = 999;
|
||||
static int fflag = 0;
|
||||
|
||||
@ -99,6 +103,7 @@ static void TIMEVAL_SUB __P((struct timeval *a, struct timeval *b,
|
||||
|
||||
static void rtsold_set_dump_file __P((void));
|
||||
static void usage __P((char *progname));
|
||||
static char **autoifprobe __P((void));
|
||||
|
||||
int
|
||||
main(argc, argv)
|
||||
@ -121,35 +126,60 @@ main(argc, argv)
|
||||
if (argv0 && argv0[strlen(argv0) - 1] != 'd') {
|
||||
fflag = 1;
|
||||
once = 1;
|
||||
opts = "dD";
|
||||
opts = "adD";
|
||||
} else
|
||||
opts = "dDfm1";
|
||||
opts = "adDfm1";
|
||||
|
||||
while ((ch = getopt(argc, argv, opts)) != -1) {
|
||||
switch(ch) {
|
||||
case 'd':
|
||||
dflag = 1;
|
||||
break;
|
||||
case 'D':
|
||||
dflag = 2;
|
||||
break;
|
||||
case 'f':
|
||||
fflag = 1;
|
||||
break;
|
||||
case 'm':
|
||||
mobile_node = 1;
|
||||
break;
|
||||
case '1':
|
||||
once = 1;
|
||||
break;
|
||||
default:
|
||||
usage(argv0);
|
||||
switch (ch) {
|
||||
case 'a':
|
||||
aflag = 1;
|
||||
break;
|
||||
case 'd':
|
||||
dflag = 1;
|
||||
break;
|
||||
case 'D':
|
||||
dflag = 2;
|
||||
break;
|
||||
case 'f':
|
||||
fflag = 1;
|
||||
break;
|
||||
case 'm':
|
||||
mobile_node = 1;
|
||||
break;
|
||||
case '1':
|
||||
once = 1;
|
||||
break;
|
||||
default:
|
||||
usage(argv0);
|
||||
/*NOTREACHED*/
|
||||
}
|
||||
}
|
||||
argc -= optind;
|
||||
argv += optind;
|
||||
if (argc == 0)
|
||||
|
||||
if (aflag) {
|
||||
int i;
|
||||
|
||||
if (argc != 0) {
|
||||
usage(argv0);
|
||||
/*NOTREACHED*/
|
||||
}
|
||||
|
||||
argv = autoifprobe();
|
||||
if (!argv) {
|
||||
errx(1, "could not autoprobe interface");
|
||||
/*NOTREACHED*/
|
||||
}
|
||||
|
||||
for (i = 0; argv[i]; i++)
|
||||
;
|
||||
argc = i;
|
||||
}
|
||||
if (argc == 0) {
|
||||
usage(argv0);
|
||||
/*NOTREACHED*/
|
||||
}
|
||||
|
||||
/* set log level */
|
||||
if (dflag == 0)
|
||||
@ -174,31 +204,44 @@ main(argc, argv)
|
||||
/* warn if accept_rtadv is down */
|
||||
if (!getinet6sysctl(IPV6CTL_ACCEPT_RTADV))
|
||||
warnx("kernel is configured not to accept RAs");
|
||||
/* warn if forwarding is up */
|
||||
if (getinet6sysctl(IPV6CTL_FORWARDING))
|
||||
warnx("kernel is configured as a router, not a host");
|
||||
|
||||
/* initialization to dump internal status to a file */
|
||||
if (signal(SIGUSR1, (void *)rtsold_set_dump_file) < 0)
|
||||
if (signal(SIGUSR1, (void *)rtsold_set_dump_file) < 0) {
|
||||
errx(1, "failed to set signal for dump status");
|
||||
/*NOTREACHED*/
|
||||
}
|
||||
|
||||
/*
|
||||
* Open a socket for sending RS and receiving RA.
|
||||
* This should be done before calling ifinit(), since the function
|
||||
* uses the socket.
|
||||
*/
|
||||
if ((s = sockopen()) < 0)
|
||||
if ((s = sockopen()) < 0) {
|
||||
errx(1, "failed to open a socket");
|
||||
/*NOTREACHED*/
|
||||
}
|
||||
|
||||
/* configuration per interface */
|
||||
if (ifinit())
|
||||
if (ifinit()) {
|
||||
errx(1, "failed to initilizatoin interfaces");
|
||||
/*NOTREACHED*/
|
||||
}
|
||||
while (argc--) {
|
||||
if (ifconfig(*argv))
|
||||
if (ifconfig(*argv)) {
|
||||
errx(1, "failed to initialize %s", *argv);
|
||||
/*NOTREACHED*/
|
||||
}
|
||||
argv++;
|
||||
}
|
||||
|
||||
/* setup for probing default routers */
|
||||
if (probe_init())
|
||||
if (probe_init()) {
|
||||
errx(1, "failed to setup for probing routers");
|
||||
/*NOTREACHED*/
|
||||
}
|
||||
|
||||
if (!fflag)
|
||||
daemon(0, 0); /* act as a daemon */
|
||||
@ -210,7 +253,7 @@ main(argc, argv)
|
||||
|
||||
if ((fp = fopen(pidfilename, "w")) == NULL)
|
||||
warnmsg(LOG_ERR, __FUNCTION__,
|
||||
"failed to open a log file(%s)",
|
||||
"failed to open a log file(%s): %s",
|
||||
pidfilename, strerror(errno));
|
||||
else {
|
||||
fprintf(fp, "%d\n", pid);
|
||||
@ -432,7 +475,7 @@ rtsol_check_timer()
|
||||
"state = %d", ifinfo->ifname,
|
||||
ifinfo->state);
|
||||
|
||||
switch(ifinfo->state) {
|
||||
switch (ifinfo->state) {
|
||||
case IFS_DOWN:
|
||||
case IFS_TENTATIVE:
|
||||
/* interface_up returns 0 on success */
|
||||
@ -510,8 +553,8 @@ rtsol_check_timer()
|
||||
TIMEVAL_SUB(&rtsol_timer, &now, &returnval);
|
||||
|
||||
if (dflag > 1)
|
||||
warnmsg(LOG_DEBUG, __FUNCTION__, "New timer is %d:%08d",
|
||||
returnval.tv_sec, returnval.tv_usec);
|
||||
warnmsg(LOG_DEBUG, __FUNCTION__, "New timer is %ld:%08ld",
|
||||
(long)returnval.tv_sec, (long)returnval.tv_usec);
|
||||
|
||||
return(&returnval);
|
||||
}
|
||||
@ -630,10 +673,13 @@ rtsold_set_dump_file()
|
||||
static void
|
||||
usage(char *progname)
|
||||
{
|
||||
if (progname && progname[strlen(progname) - 1] != 'd')
|
||||
fprintf(stderr, "usage: rtsol [-dD] interfaces\n");
|
||||
else
|
||||
fprintf(stderr, "usage: rtsold [-dDfm1] interfaces\n");
|
||||
if (progname && progname[strlen(progname) - 1] != 'd') {
|
||||
fprintf(stderr, "usage: rtsol [-dD] interfaces...\n");
|
||||
fprintf(stderr, "usage: rtsol [-dD] -a\n");
|
||||
} else {
|
||||
fprintf(stderr, "usage: rtsold [-adDfm1] interfaces...\n");
|
||||
fprintf(stderr, "usage: rtsold [-dDfm1] -a\n");
|
||||
}
|
||||
exit(1);
|
||||
}
|
||||
|
||||
@ -659,7 +705,67 @@ warnmsg(priority, func, msg, va_alist)
|
||||
}
|
||||
} else {
|
||||
snprintf(buf, sizeof(buf), "<%s> %s", func, msg);
|
||||
vsyslog(priority, buf, ap);
|
||||
msg = buf;
|
||||
vsyslog(priority, msg, ap);
|
||||
}
|
||||
va_end(ap);
|
||||
}
|
||||
|
||||
static char **
|
||||
autoifprobe()
|
||||
{
|
||||
#ifndef HAVE_GETIFADDRS
|
||||
errx(1, "-a is not available with the configuration");
|
||||
#else
|
||||
static char ifname[IFNAMSIZ + 1];
|
||||
static char *argv[2];
|
||||
struct ifaddrs *ifap, *ifa, *target;
|
||||
|
||||
if (getifaddrs(&ifap) != 0)
|
||||
return NULL;
|
||||
|
||||
target = NULL;
|
||||
/* find an ethernet */
|
||||
for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
|
||||
if ((ifa->ifa_flags & IFF_UP) == 0)
|
||||
continue;
|
||||
if ((ifa->ifa_flags & IFF_POINTOPOINT) != 0)
|
||||
continue;
|
||||
if ((ifa->ifa_flags & IFF_LOOPBACK) != 0)
|
||||
continue;
|
||||
if ((ifa->ifa_flags & IFF_MULTICAST) == 0)
|
||||
continue;
|
||||
|
||||
if (ifa->ifa_addr->sa_family != AF_INET6)
|
||||
continue;
|
||||
|
||||
if (target && strcmp(target->ifa_name, ifa->ifa_name) == 0)
|
||||
continue;
|
||||
|
||||
if (!target)
|
||||
target = ifa;
|
||||
else {
|
||||
/* if we find multiple candidates, failure. */
|
||||
if (dflag > 1)
|
||||
warnx("multiple interfaces found");
|
||||
target = NULL;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (target) {
|
||||
strncpy(ifname, target->ifa_name, sizeof(ifname) - 1);
|
||||
ifname[sizeof(ifname) - 1] = '\0';
|
||||
argv[0] = ifname;
|
||||
argv[1] = NULL;
|
||||
|
||||
if (dflag > 0)
|
||||
warnx("probing %s", argv[0]);
|
||||
}
|
||||
freeifaddrs(ifap);
|
||||
if (target)
|
||||
return argv;
|
||||
else
|
||||
return (char **)NULL;
|
||||
#endif
|
||||
}
|
||||
|
||||
@ -1,3 +1,5 @@
|
||||
/* $KAME: rtsold.h,v 1.9 2000/08/13 06:15:00 itojun Exp $ */
|
||||
|
||||
/*
|
||||
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
|
||||
* All rights reserved.
|
||||
@ -63,11 +65,8 @@ extern struct timeval tm_max;
|
||||
extern int dflag;
|
||||
struct ifinfo *find_ifinfo __P((int ifindex));
|
||||
void rtsol_timer_update __P((struct ifinfo *ifinfo));
|
||||
#ifdef __STDC__
|
||||
extern void warnmsg __P((int, const char *, const char *, ...));
|
||||
#else
|
||||
extern void warnmsg __P((int, const char *, const char *, va_list));
|
||||
#endif
|
||||
extern void warnmsg __P((int, const char *, const char *, ...))
|
||||
__attribute__((__format__(__printf__, 3, 4)));
|
||||
|
||||
/* if.c */
|
||||
extern int ifinit __P((void));
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user